Gates 21353 Radiator Coolant Hose - Lower - Connector To Engine or Upper

Overview of Gates Molded Coolant Hose 21353

The Gates Molded Coolant Hose 21353 is designed for reliable cooling system performance in select Buick, Mazda, Oldsmobile, and Pontiac vehicles. Engineered with durable EPDM material, this radiator coolant hose ensures consistent coolant flow and heat resistance for models like the Mazda MPV and Pontiac Sunbird.

• Constructed from high-quality EPDM material for heat and chemical resistance
• Molded design for precise fit and secure installation
• Centerline length of 12.2 inches (310 mm) for accurate routing
• Uniform inside diameter of 1.31 inches (33 mm) on both ends
• Compatible with multiple Buick, Mazda, Oldsmobile, and Pontiac models

About the Molded Coolant Hose Product Line

The Gates Molded Coolant Hose line focuses on delivering hoses that are pre-formed to exact specifications, eliminating the need for bending or shaping during installation. This product line provides consistent dimensions and reliable sealing, which helps maintain optimal coolant flow and system integrity. The 21353 part benefits from this molded construction, ensuring a precise fit for the intended vehicle applications.

Detailed Product Description

The Gates 21353 radiator coolant hose is manufactured from EPDM, a synthetic rubber known for its excellent resistance to heat, ozone, and coolant chemicals. Both ends of the hose have an inside diameter of 1.31 inches (33 mm), providing a consistent connection to the radiator and engine fittings. With a centerline length of 12.2 inches (310 mm), this molded hose is designed to fit specific coolant routing paths without the need for modification. The hose does not contain any internal springs or quick connect fittings, simplifying installation and reducing potential failure points.

Common Applications and Issues Addressed

• Replacement of worn or cracked radiator coolant hoses in Buick B2600 and Mazda MPV
• Resolving coolant leaks caused by hose degradation in Pontiac Sunbird and Oldsmobile Firenza
• Maintaining proper coolant flow to prevent engine overheating in Mazda J2000 and Pontiac Skyhawk
• Ensuring secure coolant system connections without hose deformation
• Addressing coolant hose failures due to aging or exposure to engine heat

Installation Notes and Tips

• Verify compatibility with your vehicle’s make and model before installation
• Ensure all clamps and fittings are clean and free of debris
• Use proper tools to avoid damaging the molded hose during installation
• Check for leaks after installation by running the engine to operating temperature
• Replace any worn clamps or connectors to maintain a secure seal

Quality Assurance and Warranty

Gates Molded Coolant Hose 21353 is manufactured to meet or exceed OEM specifications for durability and performance. The EPDM material and molded construction provide resistance to heat, pressure, and coolant chemicals, contributing to long service life. While specific warranty details are not provided here, Gates products typically come with a limited warranty against defects in material and workmanship. Consult product documentation or authorized sources for exact warranty terms.